const stack = []; // 单调栈：存储「右侧候选更大值」，栈内元素单调递增
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Isaacman pointed to hydrogen leaks on Artemis I and helium flow problems on Artemis II as signs that a three‑year gap between launches is not sustainable. When teams only fly every few years, he said, they lose "muscle memory" — the routine, hands-on experience required to handle a complex rocket safely and efficiently.
The workflow begins with identifying the queries you want to track. These are essentially "AIO keywords"—questions that people might ask AI models where your content should ideally appear in the answer. Unlike traditional SEO keywords, which are often short phrases, AIO queries tend to be longer, more conversational questions that reflect how people actually talk to AI assistants.